Head to head
1
Hard
0
1
Clay
0
1
Grass
0
1
Carpet
0
Tom Okker's wins on the left · Haroon Rahim's on the right · bar lengths share one scale
All meetings (4)
| 1975 | Wimbledon | Grass | R64 | Tom Okker | 8-9 4-6 9-7 6-3 6-0 |
| 1973 | Johannesburg-2 | Hard | R32 | Tom Okker | 6-3 6-4 7-5 |
| 1973 | Rome | Clay | R32 | Tom Okker | 4-6 6-2 6-0 |
| 1972 | Rotterdam WCT | Carpet | R32 | Tom Okker | 6-3 3-6 6-2 |
Methodology
Head-to-head totals and surface splits exclude walkovers (no match was played), which follows ATP convention — walkover meetings still appear in the match list. The momentum chart plots the running lead across all counted meetings, oldest to newest.